Testing Standard:
TAPPI T839 Edgewise Compressive Strength of Corrugated Fiberboard Using the Clamp Method (Short Column Test) or TAPPI T839 Edge Compression Test
Standard Number
TAPPI T839
Standard Title
Edgewise Compressive Strength of Corrugated Fiberboard Clamp Method (Short Column Test), Test Method
Overview of TAPPI T839 Edge Compression Test:
Rationale of TAPPI T839 Edge Compression Test:
Key Points:
- Critical to validating material selection during box design
- Verifies strength of corrugated boxes according to Box Maker's Certificate (BMC)
- Consider TAPPI T838 ECT (Neckdown Method) for materials that exhibit excessive edge rolling during other ECT methods such as TAPPI T811 (Wax Dip) or TAPPI T839 (Clamp)
Related Standards:
- ISO 3037 – Corrugated Fiberboard – Determination of Edgewise Crush Resistance (Unwaxed Edge Method)
- TAPPI T811 – Edgewise Compressive Strength of Corrugated Fiberboard (Short Column Test)
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